The phrase "a heavy drop" is correct and usable in written English.
It can be used to describe a significant or substantial decrease in something, such as temperature, price, or performance.
Example: "After the storm, there was a heavy drop in temperature that caught everyone off guard."
Alternatives: "a significant decline" or "a steep decrease."
The prose is lean, swift, and — in Hilary Kilpatrick's translation — filled with phrases of startling rightness: "The lorry, a small world, black as night, made its way across the desert like a heavy drop of oil on a burning sheet of tin"; or, even better, "The speedometer leapt forward like a white dog tied to a tent peg".
Typical affected duck flocks are shown in Figure 2. The infected flocks are characterized by a sudden decline of feed uptake (Fig. 2A) accompanied by a heavy drop in egg production (Fig. 2B).
A heavier drop weight (52 kg) was deployed and a heavier, larger chain was attached to the array (13.5 kg: 4 mm40 mm).
The energy sector was also a heavy drag, dropping 3.8percentt on the day.
It has three different patterns: a dubstep intro, a grime-clap heavy drop and a twisted R&B end to it.
The tail-end of Storm Gareth brought cool, fresh and blustery days last week and a few heavy drops of rain.
Dealers said the heavy drop showed a measure of normality had returned to bond markets after a week of huge price gains, particularly in the 30-year Treasury bond, set off by a government plan to buy back $30 billion of its debt and cut issuance.
If you find the bike too heavy, drop down a level or improve your riding skills on another, smaller bike first.
Often you could hear a pin drop, as the president introduced big themes, complicated them, let a heavy idea drop on the shoulders of his audience.
In London, more than 400,000 voters could disappear from the electoral rolls, but the impact will be even more severe in university towns: 17% of Cambridge's voters have already vanished, and that's before an "expected heavy drop-off" in the new academic year.
As a retreating Tomic put one foot behind the baseline, Federer hit a heavy backspin drop volley that caught his youthful opponent moving the wrong way.
